Hey there. Sounds like an interesting story..
I would probably chose B as the best choice since it summarizes the main points of the story. A is the second best choice, but it only mentions the guitar. C and D both miss major parts of the story, only mentioning the clothes and shopping. Hope this helps you out. :D
        
             
        
        
        
Young writers can help man C. Succeed
        
                    
             
        
        
        
Guy calls the doctor, says the wife’s   contractions are five minutes apart.   Doctor says, Is this her first child?guy says, No, it’s her husband.I promise to try to remember who   I am. Wife gets up on one elbow,says, I wanted to get married.   It seemed a fulfillment of someseveral things, a thing to be done.   Even the diamond ring was something like a quest, a thing they   set you out to get and how insanethe quest is; how you have to turn   it every way before you can eventhink to seek it; this metaphysical   refraining is in fact the quest. 
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I believe your is answer would be D.